From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80BD8C433FF for ; Mon, 12 Aug 2019 14:29:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 388FC20665 for ; Mon, 12 Aug 2019 14:29:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="nMeaQV50" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726585AbfHLO3Y (ORCPT ); Mon, 12 Aug 2019 10:29:24 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:36185 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726480AbfHLO3Y (ORCPT ); Mon, 12 Aug 2019 10:29:24 -0400 Received: by mail-pg1-f196.google.com with SMTP id l21so49572062pgm.3 for ; Mon, 12 Aug 2019 07:29:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Kgc+ufQa/zKT6FeOOI3s2h5y3JF0OeR98gHwBxUUxjA=; b=nMeaQV50kw90waitZt4DI4UbgHi0Uw62SALf7HVWPvK98JkbJpLn1gzs4mfkboMrXi 7KE9Nbd4mWoAldp31j++yJ09anZKlos50PIb35FR9ie9bBeDpiR6OqTd9iZfpV9iGRIp swGiYSyyqzWH6q7kuJ0/WS8O5we1olYkCzCoBTwZaObfzeY3oDviimkyOO3qMdubo/ke v1A7+PyNqzauV1louLqxTgsMUtDF4n9aR66rPD+rjAK2uwPaiPwRYu39XClr1Ww3wr3+ wgw9950xp338RugEz5vX3X/QZa5jH2OJuL1l0JygId5aOa4SqvtlceDtRLLzEGB4ZnR9 w38g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Kgc+ufQa/zKT6FeOOI3s2h5y3JF0OeR98gHwBxUUxjA=; b=r6o7FtEeaRtoruMEGfCkIshHl8bFNw4kAcr580c/LAO7y9lXfGK17N8xh9zBKyqDTP ZaleTOdLvzD0p1a+kLrEZAD9dkzU6nehcAzJJCOXeyTAEXFwvj75dYc8jsgDwInEOnjd 44K/eMbHbyB2fRtQN6T3mOFgDnsJwc/FtUZ+IAnFlPaZBSlnufSlNe3UFtm21s38XKKK BV98LXwbrPENt3KxTU14xRYkzYHen+zunRSpy6o3Jq1RexKtMlBbkO17OioR1btzFXnm YSzoLHqhGjw2MlYwNRBjxapRoN635+SrHYUe6JGmZMBbKwVbDMTtUBk+cSbUGqB/Pqv+ VO2g== X-Gm-Message-State: APjAAAVaTSgp40JXeaK0F8vXOVEb8LyOcVnMbT9IeBbw9vKiQjX0In5o 86y+hb1/8latNz06AjIqIWQ0BM0VnrI2NolYcvFRJg+l19ngdw== X-Google-Smtp-Source: APXvYqw59HxhNslXOeCVJM1UuWIHtAtaIQHLyAZOmayA1aEom4L64qlboFBVN0z10ymtkOfMMCFzBzLibppH2aO5edk= X-Received: by 2002:aa7:86c6:: with SMTP id h6mr36388002pfo.51.1565620163764; Mon, 12 Aug 2019 07:29:23 -0700 (PDT) MIME-Version: 1.0 References: <0000000000004de4e2058fb31c2b@google.com> In-Reply-To: <0000000000004de4e2058fb31c2b@google.com> From: Andrey Konovalov Date: Mon, 12 Aug 2019 16:29:12 +0200 Message-ID: Subject: Re: KASAN: use-after-free Read in usbhid_power To: syzbot Cc: Hillf Danton , USB list , Oliver Neukum , Alan Stern , syzkaller-bugs Content-Type: text/plain; charset="UTF-8" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Fri, Aug 9, 2019 at 8:12 PM syzbot wrote: > > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger > crash: > > Reported-and-tested-by: > syzbot+ef5de9c4f99c4edb4e49@syzkaller.appspotmail.com OK, I'm duping this BUG to the similar one that Hillf fixed: #syz dup: general protection fault in __pm_runtime_resume If there are more issues with PM counters, syzbot will rereport them once the fix is in its tree. > > Tested on: > > commit: 6a3599ce usb-fuzzer: main usb gadget fuzzer driver > git tree: https://github.com/google/kasan.git > kernel config: https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > patch: https://syzkaller.appspot.com/x/patch.diff?x=17fcd52c600000 > > Note: testing is done by a robot and is best-effort only. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/0000000000004de4e2058fb31c2b%40google.com.